propellant evaporation

例句：

1. 1. The rocket's propellant evaporation is critical to its performance.
   火箭的推进剂蒸发对其性能至关重要。
2. 2. During the launch, the liquid oxygen and kerosene were evaporated by the heat from the engine.
   发射过程中，液态氧和煤油被发动机产生的热量蒸发。
3. 3. The rocket's propellant evaporation was monitored closely to ensure it met the required specifications.
   火箭推进剂的蒸发过程受到密切监控，以确保符合所需规格。